REPAIR AND MAINTENANCE OF TRANSFORMERS US LT CABLES LT PANELS SWITCH GEAR, PROTECTION SYSTEM OH LINES AND OTHER CONNECTED WORK AT ZONE B AREA DALHOUSIE BEARING No AGE I D42 2020-21

Amount

Excavation in trenches n.exc 1.5m wide and n.exc 1.5m for laying cables, stays etc and getting out in hard dense soil all as specified.

Removal of surplus soil to a distance not exceeding 50 mtr away and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25 cms thick in soils complete all as specified

Material and labour for dry sand in trenches cushioning to under ground cable spreading, levelling hand punning complete all as specified and directed.Note- Punned down thickness will be measured for payment purpose.

M&L for bricks common burnt old size sub class `B' bricks laid dry for cable protection flat width wise complete all as specified and directed.

Laying only and jointing testing and commisioning in replacement XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 1100 Volt grade, laid in trenches / ducts / encased in GI pipe / fixed to pole/wall etc and including taking down old unserviceable cables complete all as specified and directed of following sizes :- (a)Cross sectional area 3.5 core 120 Sqmm

(b) Cross sectional area 3.5 core 95 Sqmm

( c) Cross sectional area 3.5 core 35 Sqmm

(d) Cross sectional area 4 core 25 Sqmm

(e) Cross sectional area 4 core 16 Sqmm Note- Above mentioned items for Sl No.6 XLPE LT UG Cable of any make / model issued by deparment free for fixing only.

Supply & lay GI tubing light grade 50 mm dia bore in protection of cable at road crossing /hard standing/pole protection fixed with clamps as per site requirement etc all as specified and directed. Make :- Prakash surya/Jindal/Tata

Supply & lay GI tubing light grade 40 mm dia bore in protection of cable at road crossing /hard standing/pole protection fixed with clamps as per site requirement etc all as specified and directed. Make :- Prakash surya/Jindal/Tata

M&L for preparation of surfaces, scraping of old paint of steel surface of poles and applying two coats of aluminium paint over a coat of red oxide primer of LT steel tubular pole 9 metre hight, Including fixing of reflection tape/reflection paint in altternate coloured of width 6" on poles 1.5 to 1.8 metre above the ground level including writing pole number with black letter under yellow circle complete all as specified and directed. Note :- The reflection tape/reflection colour shall be as directed by Engr-in-charge.

Unbinding from insulators ACSR conductor any size of LT over head line for repairs, restretching of ACSR conductor to achieve proper sag and rewinding to the insulators using aluminium/GI wire all as required at site or directed. Note:- Distance between two poles irrespective of no of lengths of conductor shall be considered as a single span.

Cutting/ trimming of tree branches clearing 5 metres horizontal and 5 metres vertical distance from both sides of conductor including removing branches from site, complete all as specified & directed. Note:- (i) Clearing branches from both sides of conductor in between two consequtive poles shall be considered as one span irrespective of distance between poles.(ii) Cost of T&P required for cutting and removing branches shall be deemed to be included in rate quoted by bidder.

Dismantling ACSR or AAC conductor complete of any type and size complete all as specified.

Supply and stringing ACSR conductor in replacement of (Weasel/ Ferret) on on LT over head line securing on pole complete including necessary binding work, jumpering, PG clamp, maintaining proper sag as per IE rule complete all as specified & directed. Make:-Bharat conductor /ICC /Alind (Note :- (a) Rate is inclusive of jumper on cut point/2 pole structure shall be provided with PVC insulated sleeve.

M&L for line seperator 3 phase 4 wire to making suitable gap in between LT line conductor with nuts bolts,washer complete all fixing accessories. all as specified and as directed by Engr-in-charge

M & L for Shackle Type, Porcelain, vitreous, white, brown or green insulator including galvanised mild steel straps, washers,insulator bolts, washers and nuts, for 75 mm height, 90 mm dia, 1100 volts grade all as specified and directed by Engr in Charge.

Out door type factory made bus bar chamber of size 0.75x0.45x0.40 metres depth made out of CRCA sheet 3.15mm thick with 4 No's aluminium bus bars of capacity 200 Amps,with colour code supported on insulators, internally prewired having locking arrangement, handle, provision of suitable hole at bottom for incoming and outgoing under ground cables, panel having angle iron frame made of 40 X 40 X 6 mm angle iron and 50 cms long legs made of 40 X 40 X 6 mm angle embedded upto 20 cms in PCC & 30 cms clear above ground complete including painting with two coats of powder coated paint over a coat of red oxide primer on exterior and interior faces, errection of Bus Bar chamber duly grouted in PCC M-15, type B0 using 12.5 mm graded crushed stone aggregate including earth work complete all as specified and directed.

M&L in replacement for Earthing complete with galvanised steel earth plate electrode 60 X 60 cm X 6 mm thick, buried directly in ground (earth pit not less than 2.25 meter deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level, connected to and inclduing GI Strip 25X4 mm as earthing lead, by means of bolts, nuts, check nuts and washers of galvanised iron all as shown in electrical plate No 5 of MES SSR Part I and testing on completion inclduing excavation and earth work in any type of soil, PCC (1:3:6) type C1 chamber, and cover 6 mm thick in cement concrete (1:2:4) type B1, funnel with wire mesh, GI watering pipe 20mm dia medium grade and lugs complete all as specified and directed with earth resistance not more than 1.0 OHMS. Note- In case earth resistance more than 1.0 ohms, the contractor wiil re earthing at no extra cost.

S & F in replacement MCCB, four pole, 415 Volts, 250 Amp, ultimate breaking capacity 35 KA, 75% lcs, 50 Hz, confirming to IEC: 60947- II /IS - 13947-II with adjustable thermal and adjustable magnetic setting complete all as specified and directed.

S & F in replacement MCCB, four pole, 415 Volts, 200 Amp, ultimate breaking capacity 35 KA, 75% lcs, 50 Hz, confirming to IEC: 60947- II /IS - 13947-II with adjustable thermal and adjustable magnetic setting complete all as specified and directed.

S & F in replacement MCCB, four pole, 415 Volts, 160 Amp, ultimate breaking capacity 25 KA, 75% lcs, 50 Hz, confirming to IEC: 60947- II /IS - 13947-II with adjustable thermal and fixed magnetic setting complete all as specified and directed.

Taking out old/bent and tilted LT Pole 9 Mtr long after breaking the PCC complete all as directed.(The rate quoted shall include the cost of excavation,dismantling of conductor, cross-arms and insulators)

M & L in replacement of Steel tubular swagged poles complete with GI base plate, finial taper plug, bolts, nuts and screws specified type 410 SP-31(9 mtrs long) duly painted with aluminium paint two coat over a coat of red oxide primer complete all as specified and as directed by Engineer-in-charge (Note:- earth work ,PCC for foundation and PCC for coping will be measured and paid separetly under their respective items)

Supply & fixing of Automatic Street Light Control Switch using Infrared Sensor based NATURE SWITCH for automatic switching of Street Lights. Nature Switch operation should be based on Natural Light Lux* level. Required Illuminance Level for Switching ON is ≤ 30 Lux and for Switching OFF ≥ 10 Lux. The Sensor should also have part night operation facility of min. 4 hrs. to max. 12 hrs.Three-Phase load of 8kW (Swadeep-02EC8kW3P) with 3 nos. Contactors, 3 nos. Incoming MCBs & 3 nos. Outgoing MCBs of 20-32 Amps each & Circuit wiring (Copper) of min.10 sq.mm The Sensor along with suitable Power Contactor(s) and Incoming-Outgoing MCBs should be enclosed in a pole/wall mountable Rust Proof, Electric Shock Proof, Termite proof and FR grade SMC Enclosure conforming to IP54. The circuit should also have provision for Manual Operation (i.e. Sensor By-Pass option). complete all as specified and directed. Make-HEALER ENTERPRISES, BHOPAL OR EQVT in CG/Philips.

Cutting of road / hardstanding upto a size not exceeding 20 cms in width and not exceeding 60 cms in depth for laying of LT UG cable protection pipe line making good the disturbed portion so as to match existing finishing or with PCC 1:2:4 type B1 complete all as specified and directed.

Supply and fix in replacement LT heavy duty 4 pole ON load change over break switch ,415 volts 50 hz complete with handle assembly having door interlock and pad locking arrangement in sheet steel enclosure. Of 200 Amps, incl electric connections to the extg cables all as directed by Engr-in-charge.Make:- Indoasian Cat Part No- ICAS0200 or Havells/Standard

M&L in replacement for cross arms bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of aluminium paint.

Supply & fixing in replacement aluminium cable lugs complete all as directed of the following sizes :- Make : Dowels/Jainson or equivalent. (a) 25 Sqmm Size

(b) 35 Sqmm Size

( c) 50 Sqmm Size

(d) 70 Sqmm Size

(e)95 Sqmm Size

(f) 120 Sqmm Size

Supply & fixing in replacement aluminium crimping connectors complete all as directed of the following sizes :- Make : Dowels/Jainson or equivalent. (a)50 Sqmm Size

(b)70 Sqmm Size

(c ) 95 Sqmm Size

(d) 120 Sqmm Size

M&L in replacement of FRP junction box of size 325 X 220 X 150 mm having 4 Nos aluminium bus bar of size 25X4 mm fixed on epoxy insulators with MCB SP 6 Amps,fixed on the pole with clamps,nut bolts etc.complete all as specified and directed. Make- Sintex or equivalent.

S & F in replacement U/S GI Bands with GI pipe medium grade 32 mm dia bracket 1.5 mtr long by hydrolic pressed mechine bend to require shape, 02 nos clamp made out of MS flat iron 40x6mm of suitable size fixed with bolts,nuts and washers including drilling holes and grouting with the same for fixing bolts complite as required duly painted with two coat of aluminum paint over a coat of red oxide primer and fixing the existing street light fitting complete all as specified and directed. (Rate quoted by the contractor shll deemed to include for nuts and bolts).

S&F in repairs for rigid non-metallic PVC conduit of 20 mm dia heavy duty along steel tubular swaged poles for wire from junction box to fittings fixed with 04 Nos MS clamps complete all as specified and directed.

Supply and fixing in replacement Decorative gate light made up of high grade unbreakable polycarbonate material suitable for retrofit CFL14 W (TU)/LED Lamp B22 base.Mounting Pole Dia - 60 mm (max) OD. including one nos 15 to 20 Watts LED bulb complete with all accessories suitable for connection of copper wires complete all as directed. Make : Havells Cat Part No- LHFXAMN1TN6F035 or Equvalent to Philips /Wipro.

M & L for cement concrete PCC 1:4:8 type D-2 using 40mm graded stone aggregate as in pole foundation and coping complete all as specified and directed.

M/S SHAKTI ELECTRIC WORKS